Swing security gate



FIG. 1 is a right front perspective view according to the design, with its door shown in an extended position;

FIG. 2 is an isometric view of the design;

FIG. 3 is a top view of the design;

FIG. 4 is a top perspective view of the design;

FIG. 5 is a left view of the design;

FIG. 6 is a left perspective view of the design;

FIG. 7 is a front view of the design;

FIG. 8 is a front perspective view of the design;

FIG. 9 is a right view of the design;

FIG. 10 is a right perspective view of the design;

FIG. 11 is a back view of the design;

FIG. 12 is a back perspective view of the design;

FIG. 13 is a bottom view of the design; and,

FIG. 14 is a bottom perspective view of the design.

The broken lines illustrate portions of the swing security gate that form no part of the claimed design. 

CLAIM The ornamental design for a swing security gate, as shown and described. 